Good C++ Interview questions

Good C++ Interview questions

TSome good C++ questions to ask a job applicant.

How do you decide which integer type to use?

What should the 64-bit integer type on new, 64-bit machines be?

What’s the best way to declare and define global variables?

What does extern mean in a function declaration?

What’s the auto keyword good for?

I can’t seem to define a linked list node which contains a pointer to itself.

How do I declare an array of N pointers to functions returning pointers to functions returning pointers
to characters?

ow can I declare a function that returns a pointer to a function of its own type?

My compiler is complaining about an invalid redeclaration of a function, but I only define it once and call it once. What’s happening?

What can I safely assume about the initial values of variables which are not explicitly initialized?

Why can’t I initialize a local array with a string?

What is the difference between char a[] = “string”; and char *p = “string”; ?

How do I initialize a pointer to a function.

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